摘要
太赫兹光电子学的兴起推动了太赫兹波产生、传输和探测3方面理论和器件的快速发展。通过调控亚波长金属结构与太赫兹波相互作用的特异光学响应,太赫兹超材料和超表面器件已在太赫兹光束整形、导波和调制方面显示了巨大的潜力和优势,并可能推动太赫兹光源和探测器的发展。进一步发展和丰富太赫兹超材料和超表面器件,也将对太赫兹波在传感、通信和雷达等应用方面产生有益影响。本文综述了首都师范大学超材料与器件课题组近年来在太赫兹波段开展的基于超材料和超表面材料的光谱调制器件、光场调制衍射光学元件和主动光学元件的工作,介绍了超材料与器件的基本物理理论以及相应的实验研究成果,希望能够推动超材料与超表面太赫兹调制器件的发展与应用。
Terahertz(THz) optoelectronics has promoted the development of the THz generation, transparent control, and detection methods,and hastened many devices in the past decades. Especially, THz metamaterials and metasurfaces will exhibit extraordinary electromagnetic response when the subwavelength scale metal structure is excited by the THz illumination. Therefore, they have been applied to the devices such as wave beam shaper, waveguide, and modulator etc. The THz metamaterials and metasurfaces also show the potential applications in the research fields such as sensors, communications, and radars. In this paper, the works about the spectrum and wavefront modulation with THz metadevices carried out in our group are summarized. The basic theory and corresponding experiment results for different devices are introduced. It is expected these works can pave the avenue of the application of the THz metadevices.
出处
《太赫兹科学与电子信息学报》
2015年第1期1-12 18,18,共13页
Journal of Terahertz Science and Electronic Information Technology
基金
国家973课题资助项目(2013CBA01702)
国家自然科学基金资助项目(11204188
61205097
91233202
11374216
11174211)
北京市自然科学基金资助项目(1132011)
教育部新世纪优秀人才项目(NCET-12-0607)
中国工程物理研究院太赫兹科学技术基金资助项目(CAEPTHZ201306)
北京市教委科学研究发展项目资助项目
关键词
太赫兹
超材料
超表面
主动器件
terahertz
metamaterials
metasurface
active devices
